comp.databases.theory: by thread

Re: Neep some comments on my schema... Julian M (Mon Nov 21 2005 - 21:12:15 CST)
Re: Implementing a graph algebra JOG (Mon Nov 21 2005 - 06:20:09 CST)
- Re: Implementing a graph algebra amado.alves_at_netcabo.pt (Mon Nov 21 2005 - 17:32:12 CST)
  - Re: Implementing a graph algebra dawn (Mon Nov 21 2005 - 20:14:46 CST)
  - Re: Implementing a graph algebra JOG (Tue Nov 22 2005 - 04:24:20 CST)
    - Re: Implementing a graph algebra amado.alves_at_netcabo.pt (Tue Nov 22 2005 - 08:50:15 CST)
Re: Using the catalogue Carl Federl (Mon Nov 21 2005 - 16:23:30 CST)
- Re: Using the catalogue Gene Wirchenko (Mon Nov 21 2005 - 16:41:31 CST)
- Re: Using the catalogue Jon Heggland (Tue Nov 22 2005 - 03:36:50 CST)
  - Re: Using the catalogue Gene Wirchenko (Tue Nov 22 2005 - 12:19:25 CST)
Re: So what's null then if it's not nothing? Gene Wirchenko (Mon Nov 21 2005 - 15:58:48 CST)
- Re: So what's null then if it's not nothing? Hugo Kornelis (Mon Nov 21 2005 - 17:23:50 CST)
Re: So what's null then if it's not nothing? Hugo Kornelis (Fri Nov 18 2005 - 15:35:31 CST)
Re: So what's null then if it's not nothing? Alexandr Savinov (Mon Nov 21 2005 - 08:23:30 CST)
- Re: So what's null then if it's not nothing? JOG (Mon Nov 21 2005 - 10:05:21 CST)
- Re: So what's null then if it's not nothing? David Portas (Mon Nov 21 2005 - 10:51:04 CST)
  - Re: So what's null then if it's not nothing? Alexandr Savinov (Mon Nov 21 2005 - 11:11:14 CST)
    - Re: So what's null then if it's not nothing? David Portas (Mon Nov 21 2005 - 11:32:43 CST)
    - Re: So what's null then if it's not nothing? JOG (Mon Nov 21 2005 - 12:32:53 CST)
      - Re: So what's null then if it's not nothing? Alexandr Savinov (Fri Nov 25 2005 - 10:59:34 CST)
- Re: So what's null then if it's not nothing? Hugo Kornelis (Mon Nov 21 2005 - 17:28:30 CST)
  - Re: So what's null then if it's not nothing? x (Thu Nov 24 2005 - 01:49:46 CST)
    - Re: So what's null then if it's not nothing? Hugo Kornelis (Thu Nov 24 2005 - 16:39:57 CST)
Re: So what's null then if it's not nothing? michael_at_preece.net (Sat Nov 19 2005 - 20:53:51 CST)
- Re: So what's null then if it's not nothing? Alexandr Savinov (Mon Nov 21 2005 - 03:15:01 CST)
  - Re: So what's null then if it's not nothing? michael_at_preece.net (Fri Nov 25 2005 - 04:32:04 CST)
Re: So what's null then if it's not nothing? Gene Wirchenko (Fri Nov 18 2005 - 13:02:09 CST)
Re: So what's null then if it's not nothing? JOG (Mon Nov 21 2005 - 05:53:54 CST)
Re: So what's null then if it's not nothing? Anne & Lynn Wheeler (Mon Nov 21 2005 - 11:41:25 CST)
Re: So what's null then if it's not nothing? Alexandr Savinov (Mon Nov 21 2005 - 03:11:49 CST)
Re: So what's null then if it's not nothing? Hugo Kornelis (Mon Nov 21 2005 - 17:34:46 CST)
Re: So what's null then if it's not nothing? David Cressey (Mon Nov 21 2005 - 08:45:41 CST)
Re: So what's null then if it's not nothing? David Cressey (Mon Nov 21 2005 - 09:43:34 CST)
Re: So what's null then if it's not nothing? David Cressey (Mon Nov 21 2005 - 09:38:31 CST)
Re: So what's null then if it's not nothing? Gene Wirchenko (Mon Nov 21 2005 - 15:58:48 CST)
Re: So what's null then if it's not nothing? David Cressey (Mon Nov 21 2005 - 18:27:47 CST)
Re: So what's null then if it's not nothing? David Cressey (Mon Nov 21 2005 - 19:30:28 CST)
Re: So what's null then if it's not nothing? Alexandr Savinov (Mon Nov 21 2005 - 08:08:44 CST)
'with check option' constraint x (Mon Nov 21 2005 - 09:15:34 CST)
- Re: 'with check option' constraint Carl Federl (Mon Nov 21 2005 - 16:00:15 CST)
  - Re: 'with check option' constraint Tony Rogerson (Tue Nov 22 2005 - 03:29:03 CST)
- Re: 'with check option' constraint -CELKO- (Mon Nov 21 2005 - 18:39:30 CST)
  - Re: 'with check option' constraint Carl Federl (Tue Nov 22 2005 - 08:34:46 CST)
    - Re: 'with check option' constraint x (Tue Nov 22 2005 - 09:02:49 CST)
      - Re: 'with check option' constraint Carl Federl (Tue Nov 22 2005 - 11:27:27 CST)
        
        Re: 'with check option' constraint x (Wed Nov 23 2005 - 01:42:01 CST)
        
        Re: 'with check option' constraint x (Wed Nov 23 2005 - 02:11:13 CST)
How can I proove associtivity of natural in relational algebra? Filter911 (Mon Nov 21 2005 - 13:19:05 CST)
- Re: How can I proove associtivity of natural in relational algebra? Mikito Harakiri (Mon Nov 21 2005 - 14:10:45 CST)
  - Re: How can I proove associtivity of natural in relational algebra? Filter911 (Mon Nov 21 2005 - 15:22:57 CST)
    - Re: How can I proove associtivity of natural in relational algebra? Mikito Harakiri (Mon Nov 21 2005 - 15:35:53 CST)
      - Re: How can I proove associtivity of natural in relational algebra? Jon Heggland (Tue Nov 22 2005 - 03:18:30 CST)
        
        Re: How can I proove associtivity of natural in relational algebra? Mikito Harakiri (Tue Nov 22 2005 - 11:03:15 CST)
      - Re: How can I proove associtivity of natural in relational algebra? Filter911 (Tue Nov 22 2005 - 05:40:55 CST)
        
        Re: How can I proove associtivity of natural in relational algebra? Mikito Harakiri (Tue Nov 22 2005 - 11:14:09 CST)
        
        Re: How can I proove associtivity of natural in relational algebra? Vadim Tropashko (Tue Nov 22 2005 - 13:10:46 CST)
Quick note of clarification michael_at_preece.net (Mon Nov 21 2005 - 21:31:17 CST)